Citation: Yang, P.; Armbruster, T. (1998). X-ray single-crystal structure refinement of NH4-exchanged heulandite at 100 K. European Journal of Mineralogy, 10, pp. 461-471.
Formula: Al2.197 H38.907 N2.24 O22.88 Si6.803
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al36 O72 Si36 (Al O2 Si)
Multiplicity: 1